/ˈkrʌmpl ||; ˈkrʌmpḷ/verb [I,T] crumple (sth) (into sth);crumple (sth) (up) to be pressed or to press sth into an untidy shape 起皱；压皱: The front of the car crumpled when it hit the wall.那辆汽车的前端撞在墙上变了形。She crumpled the letter into a ball and threw it away.她把信揉成一团扔掉了。